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Sitter in 2 portraitsGeorge Onslow entered Parliament as an MP in 1754 where he became an enthusiastic supporter of Pitt and Temple in opposition. In 1765, he was appointed Lord of the Treasury on the formation of Lord Rockingham's first administration, and he was admitted to the Privy Council two years later. Onslow was raised to the House of Lords on being created Baron Cranley, in the county of Surrey, in 1776, and spent the rest of his career as a courtier. He was appointed Comptroller of the Household in 1777 and was briefly Treasurer of the Household before being made a Lord of the Bedchamber in 1780, a post that he retained until his death.